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4.5 Ecosystems
VA SOL
10
Science
5th Grade
05/10/2013

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Term
2 types of adaptations
Definition
1. structural
2. behavioral
Term
structural adaptations
Definition
physical characteristics that help an organism meet a life need
Term
behavioral adaptations
Definition
activities that help an organism meet a life need
Term
population
Definition
all the organisms of the same species that live in the same place at the same time
Term
community
Definition
populations of species that live in the same place at the same time together
Term
ecosystem
Definition
all the populations and the nonliving components in an environment that interact with each other
Term
producers
Definition
source of the greatest amount of energy in a community
Term
food chain
Definition
cycle in which the sun's energy travels in an ecosystem through producers, consumers, and decomposers
Term
habitat
Definition
place in which an animal or plant naturally lives; provides food, water, shelter, and space
Term
niche
Definition
function that an organism performs in the food web of its community (its role); no two organisms occupy the exact same niche in a community; may change over time
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